// Copyright (C) 2012 Yury Bychenkov (http://bychenkov.com).
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
//  - Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//  - Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
//  - Neither the name of Yury Bychenkov nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

#include "filesystem.h"

vector<string> FileSystem::list(const string& path) {
	return list(path.c_str());
}


#ifdef WINDOWS64

vector<string> FileSystem::list(const char* path) {
	string wildcardPath(path);
	wildcardPath += "/*.*";
	
    vector<string> result;

    WIN32_FIND_DATA findFileData;
    HANDLE hFind = ::FindFirstFile(wildcardPath.c_str(), &findFileData);

    if (hFind) {
	    do {
	    	if ('\0' != findFileData.cFileName[0] && 0 != strcmp(findFileData.cFileName, ".") && 0 != strcmp(findFileData.cFileName, "..")) {
	    	    result.push_back(string(findFileData.cFileName));
	    	}
    	} while (::FindNextFile(hFind, &findFileData));
    	::FindClose(hFind);
    }

	sort(result.begin(), result.end());
	
    return result;
}

bool FileSystem::move(const char* existingFile, const char* newFile) {
	return 0 != ::MoveFile(existingFile, newFile);
}

#endif // WINDOWS64


#ifdef POSIX64

vector<string> FileSystem::list(const char* path) {
    vector<string> result;

	DIR* dir = ::opendir(path);
	if (dir == 0) {
	  return result;
	}
	
	for(struct dirent* entry = ::readdir(dir); entry != 0; entry = ::readdir(dir)) {
	  result.push_back(string(entry->d_name));
	}
	
	::closedir(dir);
	
	sort(result.begin(), result.end());
	
    return result;
}

bool FileSystem::move(const char* existingFile, const char* newFile) {
	return 0 == ::rename(existingFile, newFile);
}

#endif // POSIX64
